Page 177 - Grade 10 C.Math

C
6.(a) lrqdf ABD ;dlåafx' / BCD ;dafx' lqe'h x'g\ .
olb ADC = 105°, AB = cm, BC = 8 cm eP ABCD sf] D B
If]qkmn slt x'G5 <

A
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(b) lbOPsf] lrqdf PQRS Pp6f ;dfgfGt/ rt'e'{h xf]
P Q
/ QRT Pp6f ;dafx' lqe'h xf] . olb SP = cm
/ SR = 8 cm eP ;dnDa rt'e'{h PQTS sf]

If]qkmn lgsfNg'xf];\ . S T
R

(c) ;Fu}sf] lrqdf AB = 12 cm, BD = 18 cm, A
BC = 14 cm, CBD = ABD / ABD sf]
D
If]qkmn 54 ju{ ;]=ld= eP rt'e'{h ABCD sf]
If]qkmn kTtf nufpg'xf];\ . B
C

O
(d) lbOPsf] rt'e'{h LMNO df LMO = 2OMN , L
OM = MN = 10 cm, LM = 6cm, MON = 75° eP

rt'e'{h LMNO sf] If]qkmn slt x'G5 <
M
N

7. kfFr kfFr hgf ljb\ofyL{x¿sf] ;d"xx¿ agfpg'xf];\ . n6\7L, sf7 jf h'; kfOk /
tf/sf] k|of]u u/L Ps Ps cf]6f rt'e'{h / lqe'hsf gd'gfx¿ lgdf{0f ug'{xf];\ . pSt

gd'gfsf] lrq agfP/ To;sf] If]qkmn kTtf nufO{ sIffsf]7fdf k|:t't ug'{xf];\ .

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